There are 4 US Post Offices in Ripley County serving a total of 13,511 residents equating to 3,378 residents per post office. It's estimated that approximately 21,565 packages are handled across the 4 county post offices annually. Ripley County is a county located in the Ozarks in the U.S. state of Missouri. As of the 2010 census, the population was 14,100. The largest city and county seat is Doniphan. The county was officially organized on January 5, 1833, and is named after Brigadier General Eleazer Wheelock Ripley, a soldier who served with distinction in the War of 1812. The original area included what would later become Oregon, Howell, Shannon and Carter counties. The historic Natchitoches Trail passes through Ripley County. It was a Native American trail to the Southwest that was used by pioneers including Stephen F. Austin. During the American Civil War, Ripley county was strongly pro-Southern and provided four colonels for the Confederate Army. Several Civil War skirmishes took place in the county. Today's tourist areas include Current River and the Mark Twain National Forest."